POP3()
__construct()
apop()
connect()
delete()
get()
is_ok()
last()
login()
parse_banner()
pass()
pop_list()
popstat()
quit()
reset()
send_cmd()
strip_clf()
top()
uidl()
update_timer()
user()
$ALLOWAPOP
$BANNER
$BUFFER
$COUNT
$DEBUG
$ERROR
$FP
$MAILSERVER
$TIMEOUT